get all the data in datagridview

[basti42]

private void button1_Click(o bject sender, EventArgs e)
{
string[] DataResult1 = { textBox1.Text, textBox2.Text};
dataGridView1.R ows.Add(DataRes ult1);
}

private void Form1_Load(obje ct sender, EventArgs e)
{
dataGridView1.C olumns.Add("col Name", "Name");
dataGridView1.C olumns.Add("col SurName", "Last Name");
}

how would i get all the data in the datagridview per row?
tnx